The Ink Mister Intra-Bottle Ink Well is the perfect tool for getting the last drop of ink out of each bottle. Easy to use and economical, it is a must have tool for the fountain pen enthusiast. To use place the Intra-Bottle Ink Well into the ink bottle and replace the bottle cap leaving the Miser in place. Turn the bottle upside down a few times allowing the ink to fill the miser. Quickly turn upright and carefully remove the lid. Place pen nib in the ink-filled ink miser and fill as needed. Can be left in place for next use. Wipe pen clean with a dry cloth.